Add 5/18 and 3/90
5/18 + 3/90 is 14/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 90 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
5/18 = 5 × 5/18 × 5 = 25/90 - Likewise, for the 2nd fraction, since 90 × 1 = 90,
3/90 = 3 × 1/90 × 1 = 3/90 - Add the two like fractions:
25/90 + 3/90 = 25 + 3/90 = 28/90 - 28/90 simplified gives 14/45
- So, 5/18 + 3/90 = 14/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/18+3/90 5/18+6/90 5/36+3/90 15/18+3/90 5/18+9/90 5/54+3/90 25/18+3/90 5/18+15/90 5/90+3/90 35/18+3/90 5/18+21/90